Seven people were injured in a four-car crash in Huyton
Emergency services were called to Roby Road, off junction five of the M62, just after 2pm.
A force spokesman said one driver suffered a head injury but his condition is not thought to be life-threatening.
The other drivers and passengers involved suffered minor injuries.
The crash involved an Audi, a Ford Mondeo, a Ford Fiesta and a Vauxhall Corsa.
A force spokesman said there was extensive damage to two of the vehicles involved.
The road was closed from junction 5 of the M62 to the National Wildflower Centre. Liverpool Echo